[Bug c/56600] loop goes indefinite when non-loop integer variable overflows

[sch...@linux-m68k.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56600



Andreas Schwab <sch...@linux-m68k.org> changed:



           What    |Removed                     |Added

----------------------------------------------------------------------------

             Status|UNCONFIRMED                 |RESOLVED

         Resolution|                            |INVALID



--- Comment #1 from Andreas Schwab <sch...@linux-m68k.org> 2013-03-12 09:10:33 
UTC ---

Integer overflow is causing undefined behaviour.  If you want wraparound

semantics either use unsigned int or -fwrapv.